/*
 * Copyright (c) 2012, 2019 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

package jakarta.ws.rs.sse;

import jakarta.ws.rs.core.GenericType;
import jakarta.ws.rs.core.MediaType;

Inbound Server-sent event.

Used on the client side, when accepting incoming Server-sent events.

Author:Marek Potociar
Since:2.1
/** * Inbound Server-sent event. * <p> * Used on the client side, when accepting incoming Server-sent events. * * @author Marek Potociar * @since 2.1 */
public interface InboundSseEvent extends SseEvent {
Check if the event is empty (i.e. does not contain any data).
Returns:true if current instance does not contain any data, false otherwise.
/** * Check if the event is empty (i.e. does not contain any data). * * @return {@code true} if current instance does not contain any data, {@code false} otherwise. */
boolean isEmpty();
Get the original event data as String.
Throws:
  • ProcessingException – when provided type can't be read. The thrown exception wraps the original cause.
Returns:event data de-serialized into a string.
/** * Get the original event data as {@link String}. * * @return event data de-serialized into a string. * @throws jakarta.ws.rs.ProcessingException when provided type can't be read. The thrown exception wraps the original * cause. */
String readData();
Read event data as a given Java type.
Params:
  • type – Java type to be used for event data de-serialization.
Type parameters:
  • <T> – generic event data type
Throws:
  • ProcessingException – when provided type can't be read. The thrown exception wraps the original cause.
Returns:event data de-serialized as an instance of a given type.
/** * Read event data as a given Java type. * * @param <T> generic event data type * @param type Java type to be used for event data de-serialization. * @return event data de-serialized as an instance of a given type. * @throws jakarta.ws.rs.ProcessingException when provided type can't be read. The thrown exception wraps the original * cause. */
<T> T readData(Class<T> type);
Read event data as a given generic type.
Params:
  • type – generic type to be used for event data de-serialization.
Type parameters:
  • <T> – generic event data type
Throws:
  • ProcessingException – when provided type can't be read. The thrown exception wraps the original cause.
Returns:event data de-serialized as an instance of a given type.
/** * Read event data as a given generic type. * * @param <T> generic event data type * @param type generic type to be used for event data de-serialization. * @return event data de-serialized as an instance of a given type. * @throws jakarta.ws.rs.ProcessingException when provided type can't be read. The thrown exception wraps the original * cause. */
<T> T readData(GenericType<T> type);
Read event data as a given Java type.
Params:
  • messageType – Java type to be used for event data de-serialization.
  • mediaType – media type to be used for event data de-serialization.
Type parameters:
  • <T> – generic event data type
Throws:
  • ProcessingException – when provided type can't be read. The thrown exception wraps the original cause.
Returns:event data de-serialized as an instance of a given type.
/** * Read event data as a given Java type. * * @param <T> generic event data type * @param messageType Java type to be used for event data de-serialization. * @param mediaType {@link MediaType media type} to be used for event data de-serialization. * @return event data de-serialized as an instance of a given type. * @throws jakarta.ws.rs.ProcessingException when provided type can't be read. The thrown exception wraps the original * cause. */
<T> T readData(Class<T> messageType, MediaType mediaType);
Read event data as a given generic type.
Params:
  • type – generic type to be used for event data de-serialization.
  • mediaType – media type to be used for event data de-serialization.
Type parameters:
  • <T> – generic event data type
Throws:
  • ProcessingException – when provided type can't be read. The thrown exception wraps the original cause.
Returns:event data de-serialized as an instance of a given type.
/** * Read event data as a given generic type. * * @param <T> generic event data type * @param type generic type to be used for event data de-serialization. * @param mediaType {@link MediaType media type} to be used for event data de-serialization. * @return event data de-serialized as an instance of a given type. * @throws jakarta.ws.rs.ProcessingException when provided type can't be read. The thrown exception wraps the original * cause. */
<T> T readData(GenericType<T> type, MediaType mediaType); }